Diagnostic procedure

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

STEP	INSPECTION		ACTION
1	VERIFY FREEZE FRAME DATA HAS BEEN RECORDED Has FREEZE FRAME DATA been recorded?	Yes	Go to the next step
1		No	Record FREEZE FRAME DATA on the repair order, then go to the next step.
2	VERIFY RELATED REPAIR INFORMATION AVAILABILITY Verify related Service Bulletins and/or on-line repair information availability Is any related Service Bulletins available?	Yes	Perform repair or diagnosis according to the available Service Bulletins. If the vehicle is not repaired, then go to the next step.
2		No	Go to the next step.
3	VERIFY RELATED PENDING OR STORED DTCS Switch the ignition off then to the ON position (Engine off). Verify pending code or stored DTCs using the M-MDS Is other DTC present?	Yes	Repair applicable DTCs. (See DTC TABLE [MZI-3.7] .)
3		No	Go to the next step.
4	INSPECT AIR CLEANER ELEMENT Remove air cleaner element with the engine running Is the engine speed increased?	Yes	Replace the air cleaner element, then go to Step 7.
4		No	Go to the next step.
5	INSPECT INTAKE AIR SYSTEM FOR EXCESSIVE AIR SUCTION Visually inspect the hose in intake air system for damages Is there any malfunction?	Yes	Repair or replace the malfunctioning part, then go to Step 7.
5		No	Go to the next step
6	INSPECT THROTTLE BODY PASSAGE Is the throttle body clogged?	Yes	Clean or replace the throttle body passage, then go to the next step
6		No	Go to the next step
7	VERIFY TROUBLESHOOTING OF DTC P0506:00 HAS BEEN COMPLETED Verify that all disconnected connectors reconnected. Start the engine. Clear the DTC from the PCM memory using the M-MDS. Depress brake pedal for 14 s or more. Is PENDING CODE for this DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [MZI-3.7] .)
7		No	Go to the next step.
8	VERIFY AFTER REPAIR PROCEDURE Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.7] .) Are any DTCs present?	Yes	Go to the applicable DTC inspection (See DTC TABLE [MZI-3.7] .)
8		No	Troubleshooting completed